1 files changed, 7 insertions, 10 deletions

diff --git a/embassy-boot/boot/src/firmware_updater/blocking.rs b/embassy-boot/boot/src/firmware_updater/blocking.rs
index c4c142169..f1368540d 100644
--- a/embassy-boot/boot/src/firmware_updater/blocking.rs
+++ b/embassy-boot/boot/src/firmware_updater/blocking.rs
@@ -86,8 +86,8 @@ impl<'d, DFU: NorFlash, STATE: NorFlash> BlockingFirmwareUpdater<'d, DFU, STATE>
     #[cfg(feature = "_verify")]
     pub fn verify_and_mark_updated(
         &mut self,
-        _public_key: &[u8],
-        _signature: &[u8],
+        _public_key: &[u8; 32],
+        _signature: &[u8; 64],
         _update_len: u32,
     ) -> Result<(), FirmwareUpdaterError> {
         assert!(_update_len <= self.dfu.capacity() as u32);
@@ -96,14 +96,14 @@ impl<'d, DFU: NorFlash, STATE: NorFlash> BlockingFirmwareUpdater<'d, DFU, STATE>
 
         #[cfg(feature = "ed25519-dalek")]
         {
-            use ed25519_dalek::{PublicKey, Signature, SignatureError, Verifier};
+            use ed25519_dalek::{Signature, SignatureError, Verifier, VerifyingKey};
 
             use crate::digest_adapters::ed25519_dalek::Sha512;
 
             let into_signature_error = |e: SignatureError| FirmwareUpdaterError::Signature(e.into());
 
-            let public_key = PublicKey::from_bytes(_public_key).map_err(into_signature_error)?;
-            let signature = Signature::from_bytes(_signature).map_err(into_signature_error)?;
+            let public_key = VerifyingKey::from_bytes(_public_key).map_err(into_signature_error)?;
+            let signature = Signature::from_bytes(_signature);
 
             let mut message = [0; 64];
             let mut chunk_buf = [0; 2];
@@ -113,7 +113,6 @@ impl<'d, DFU: NorFlash, STATE: NorFlash> BlockingFirmwareUpdater<'d, DFU, STATE>
         }
         #[cfg(feature = "ed25519-salty")]
         {
-            use salty::constants::{PUBLICKEY_SERIALIZED_LENGTH, SIGNATURE_SERIALIZED_LENGTH};
             use salty::{PublicKey, Signature};
 
             use crate::digest_adapters::salty::Sha512;
@@ -122,10 +121,8 @@ impl<'d, DFU: NorFlash, STATE: NorFlash> BlockingFirmwareUpdater<'d, DFU, STATE>
                 FirmwareUpdaterError::Signature(signature::Error::default())
             }
 
-            let public_key: [u8; PUBLICKEY_SERIALIZED_LENGTH] = _public_key.try_into().map_err(into_signature_error)?;
-            let public_key = PublicKey::try_from(&public_key).map_err(into_signature_error)?;
-            let signature: [u8; SIGNATURE_SERIALIZED_LENGTH] = _signature.try_into().map_err(into_signature_error)?;
-            let signature = Signature::try_from(&signature).map_err(into_signature_error)?;
+            let public_key = PublicKey::try_from(_public_key).map_err(into_signature_error)?;
+            let signature = Signature::try_from(_signature).map_err(into_signature_error)?;
 
             let mut message = [0; 64];
             let mut chunk_buf = [0; 2];